Odd Man Out and Series problems
- 1. 3, 5, 11, 14, 17, 21
Options- A. 21
- B. 17
- C. 14
- D. 3 Discuss
Correct Answer: 14
Explanation:
Each of the numbers except 14 is an odd number.
The number '14' is the only EVEN number.
- 2. 8, 27, 64, 100, 125, 216, 343
Options- A. 27
- B. 100
- C. 125
- D. 343 Discuss
Correct Answer: 100
Explanation:
The pattern is 2
3, 3
3, 4
3, 5
3, 6
3, 7
3. But, 100 is not a perfect cube.
- 3. 10, 25, 45, 54, 60, 75, 80
Options- A. 10
- B. 45
- C. 54
- D. 75 Discuss
Correct Answer: 54
Explanation:
Each of the numbers except 54 is multiple of 5.
- 4. 396, 462, 572, 427, 671, 264
Options- A. 396
- B. 427
- C. 671
- D. 264 Discuss
Correct Answer: 427
Explanation:
In each number except 427, the middle digit is the sum of other two.
- 5. 6, 9, 15, 21, 24, 28, 30
Options- A. 28
- B. 21
- C. 24
- D. 30 Discuss
Correct Answer: 28
Explanation:
Each of the numbers except 28, is a multiple of 3.
- 6. 1, 4, 9, 16, 23, 25, 36
Options- A. 9
- B. 23
- C. 25
- D. 36 Discuss
Correct Answer: 23
Explanation:
Each of the numbers except 23, is perfect square.
- 7. 1, 4, 9, 16, 20, 36, 49
Options- A. 1
- B. 9
- C. 20
- D. 49 Discuss
Correct Answer: 20
Explanation:
The pattern is 1
2, 2
2, 3
2, 4
2, 5
2, 6
2, 7
2. But, instead of 5
2, it is 20 which to be turned out.
- 8. 2, 5, 10, 17, 26, 37, 50, 64
Options- A. 50
- B. 26
- C. 37
- D. 64 Discuss
Correct Answer: 64
Explanation:
(1*1)+1 , (2*2)+1 , (3*3)+1 , (4*4)+1 , (5*5)+1 , (6*6)+1 , (7*7)+1 , (8*8)+1
But, 64 is out of pattern.
- 9. 10, 14, 16, 18, 21, 24, 26
Options- A. 26
- B. 24
- C. 21
- D. 18 Discuss
Correct Answer: 21
Explanation:
Each of the numbers except 21 is an even number.
- 10. 16, 25, 36, 72, 144, 196, 225
Options- A. 36
- B. 72
- C. 196
- D. 225 Discuss
Correct Answer: 72
Explanation:
Each of the numbers except 72 is a perfect square.
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